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Summer Fruit Tortrixadoxophyes Orana

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Summer Fruit Tortrixadoxophyes Orana Michigan State University’s invasive species factsheets Summer fruit tortrix Adoxophyes orana This exotic moth feeds on a wide range of plants but is known primarily as a pest of pome and stone fruits. The larvae feed on leaves, shoots and fruits. The moth also may infest many broadleaf trees and shrubs common in Michigan’s forests and ornamental plantings. Michigan risk maps for exotic plant pests. Other common name smaller tea tortrix Systematic position Insecta > Lepidoptera > Tortricidae > Adoxophyes orana (Fischer von Röslerstamm) Global distribution Widely occurs in much of Europe and Asia. Quarantine status This insect has been intercepted once at a U.S. port of entry on a shipment of crabapples from France. In Adult. (Photo: H. Arentsen, Garden Safari, Bugwood.org) addition, Adoxophyes sp. has been intercepted twice from Bupleurum sp. and Syringa sp. originated from the Netherlands (Davis et al. 2005). It is listed as an exotic organism of high invasive risk to the United States (USDA- APHIS 2008). Plant hosts The moth feeds on over 50 plant species of multiple families including fruits, forest trees and ornamentals. It has a preference for Rosaceae, and is most commonly a pest of apple, cherry, peach and pear trees. Other hosts include: alders, alfalfa, ash, birch, elm, grapes, hawthorn, honeysuckle, lilacs, maples, oaks, peanuts, poplars, roses and willows. Biology A female moth lays yellow eggs in groups mostly on the upper surface of the leaves and sometimes on fruits. Adult. (Photo: Museum Victoria, Melbourne, Australia, Australia) Larvae feed on leaves, shoots and fruits. They are leaf rollers. Pupation occurs in a cocoon in a folded leaf or two green ornamented with warts and light hairs; head brown. leaves spun together. Two to three generations develop per Pupa: 8-11 mm long, pale to dark brown. year. Eggs: A batch of 30-50 yellow, oval eggs. Identification Signs of infestation Adult: 15-22 mm wingspan; forewings gray-brown with two darker patterns; hind wings light grey; males smaller Presence of yellow egg mass on leaves. than females and have distinct dark-brown markings. Presence of larvae and pupae on plants. Larva: Up to 20 mm long; body yellow-green to dark- Leaves folded or spun together by larvae. Prepared by T. Noma, M. Colunga-Garcia, M. Brewer, J. Landis, and A. Gooch as a part of Michigan State University IPM Program and M. Philip of Michigan Department of Agriculture. Summer fruit tortrix 2 Economic significance to Michigan The moth is regarded as a major pest of apples and pears in its native range. Fruit feeding by larvae can reduce quality and quantity of fruit and make the fruit susceptible to diseases. Because of its wide plant host range, the summer fruit tortrix, if introduced into Michigan, can potentially disrupt production and marketing of agricultural and ornamental crops, especially pome and stone fruits. Davis et al. (2005) have forecasted that the moth can establish in Michigan based on climatic suitability and host availability. Likely pathways of entry in Michigan Imports of live plants from Asia and Europe. ***If you find something suspicious on a susceptible host plant, please contact MSU Diagnostic Services (517- 355-4536), your county extension office, or the Michigan Larva. (Photo: J. Sohn, Bugwood.org) Department of Agriculture (1-800-292-3939).*** External fruit damage (point-like holes in the fruit tissue and grazing damage on fruit surface). Management notes The most effective survey method for this moth is the use of sex pheromone baited traps (Witzgall et al. 2004, Davis et al. 2005). Other sampling techniques involve Robin light traps and visual and beat sampling to inspect trees for eggs and larvae (Davis 2005). References Alford, D. V. 2007. Pests of fruit crops. Academic Press, Boston. Anon. 2008. Massachusetts introduced pests outreach project: summer fruit tortrix moth. Massachusetts Department of Agricultural Resources and the UMass Extension Agriculture and Landscape Program. (http://www.massnrc.org/pests/pestFAQsheets/summer%20fruit%20tortrix%20moth.htm) Anon. 2009. CAPS surveys for 2009. Ohio Department of Agriculture. (http://www.agri.ohio.gov/divs/plant/caps/docs/CAPS_Surveys_2009.pdf) Anon. 2009. Rhode Island Department of Environmental Management/Division of Agriculture: Cooperative Agricultural Pest Survey (CAPS): summer fruit tortrix moth. (http://www.dem.ri.gov/programs/bnatres/agricult/pdf/summerfruittortrixmoth.pdf) Davis, E.E., S. French, and R.C. Venette. 2005. Mini risk assessment: summer fruit tortrix moth, Adoxophyes orana (Fischer von Röslerstamm, 1834) [Lepidoptera: Tortricidae]. (http://www.aphis.usda.gov/plant_health/plant_pest_info/pest_detection/downloads/pra/aoranapra.pdf) Meijerman, L. and S. A. Ulenberg . Arthropods of economic importance: Eurasian Tortricidae: Adoxophyes orana. (http://ip30.eti.uva.nl/bis/tortricidae.php?menuentry=soorten&selected=beschrijving&id=109) Pierce, M. F. 2008. Indiana’s most unwanted invasive plant pests: summer fruit tortrix moth. (http://extension.entm.purdue.edu/CAPS/pestInfo/summerFruitMoth.htm) USDA-APHIS. 2008. Pests of national concern for fiscal year 2009. (http://www.aphis.usda.gov/plant_health/plant_pest_info/pest_detection/downloads/survey/survey-2009/Appendix-G.pdf) Witzgall, P., T. Lindblom, M. Bengtsson, M. Tóth. 2004. The Pherolist. (http://www-pherolist.slu.se/pherolist.php) February 2010. MSU is an affirmative-action, equal-opportunity employer. Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Thomas G. Coon, Director, MSU Extension, East Lansing,MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned..
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